The term POWERFUL SHARK can be broken down into two crossword solutions: MAKO (4 letters). The Mako shark is a species of mackerel shark that is known for its speed and agility in the water. It is one of the fastest sharks in the ocean, capable of reaching speeds of up to 60 mph. It is also one of the most powerful sharks, with a bite force of up to 1, 800 pounds per square inch. The Mako shark is found in temperate and tropical waters around the world, and is considered to be an apex predator.